TRX450 ES (1998-2001). TRX450 FE / FM (2002-2004). TRX450 S (1998-2001). TRX500 FE (2005-2013). TRX500 FM (2005-0213). Fits Honda Models The answer is easy, Pyramid Parts Oil seals are all Low Stiction (low friction) seals designed specifically for motorcycles.
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